#include<stdio.h>
#include<assert.h>
void my_strcpy(char* dest,const char* src)
{
	assert(src != NULL);
	assert(dest != NULL);

	while (*dest++=*src++)
	{
		;
	}
}
int main()
{
	char arr1[] = "xxxxxxxxxx";
	char arr2[] = "I love you";
	my_strcpy(arr1, arr2);
	printf("%s\n", arr1);
	return 0;
}